/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package controlador.ventas;

import controlador.ServletHelper;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import modelo.Boleta;
import persistencia.BoletaBean;

/**
 *
 * @author Felipe
 */
@WebServlet(name = "ListarBoletas", urlPatterns = {"/ListarBoletas"})
public class ListarBoletas extends HttpServlet {

    @Resource(name = "jdbc/HOLAJDBC")
    private DataSource ds;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Connection conexion = null;
        boolean condi = ServletHelper.validarAdmin(request, response);
        if (condi) {
            try {

                conexion = ds.getConnection();

                BoletaBean bean;
                bean = new BoletaBean(conexion);

                Collection<Boleta> lista = bean.buscarTodos();

                if (null == lista) {
                    request.setAttribute("Mensaje", "NO existen Boletas");
                    request.getRequestDispatcher("/index.jsp").forward(request, response);
                } else {
                    request.setAttribute("lista", lista);
                    request.getRequestDispatcher("/Admin/Informes/ListarVentas.jsp").forward(request, response);
                }
            } catch (SQLException ex) {
                Logger.getLogger(ListarBoletas.class.getName()).log(Level.SEVERE,
                        "No se pudo obtener la conexión a la base de datos", ex);
                request.setAttribute("Mensaje", "No se pudo obtener la conexión a la base de datos");
                request.getRequestDispatcher("/index.jsp").forward(request, response);
            } finally {
                try {
                    conexion.close();
                } catch (Exception noGestionar) {
                }
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
